ID: 7703

AQSQID: 840080290007

Site Name: Paonia

Added: April 21, 2020, 6:24 p.m.

Updated: Sept. 22, 2021, 9:03 a.m.

Location: Paonia (Colorado Hwy 133), CO

Reporting: True, Located: True

Current AQI: 13.0

Paonia (Colorado Hwy 133) CO, US: 38.8763, -107.6022

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 3.0 μg/m3 (13) 13.0
 
Sept. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 4.9 μg/m3 (21) 21.0
 
Sept. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 4.7 μg/m3 (20) 20.0
 
Sept. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 1.0 μg/m3 (5) 8.0
 
Sept. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 2.4 μg/m3 (10) 12.0
 
Sept. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 1.5 μg/m3 (7) 16.0
 
Sept. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
Sept. 22, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 1.1 μg/m3 (5) 10.0
 
Sept. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 28.0 μg/m3 (85) 85.0
 
Sept. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 148.0 μg/m3 (98) 16.4 μg/m3 (61) 98.0
 
Sept. 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 66.0 μg/m3 (57) 4.1 μg/m3 (18) 57.0
 
Sept. 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 3.0 μg/m3 (13) 13.0
 
Sept. 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 5.8 μg/m3 (25) 25.0
 
Sept. 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 3.1 μg/m3 (13) 13.0
 
Sept. 21, 2021, 4 p.m. 1.9 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) N/A 10.0 μg/m3 (10) 5.5 μg/m3 (23) 32.0
 
Sept. 21, 2021, 3 p.m. 1.8 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (30) N/A 9.0 μg/m3 (9) 3.7 μg/m3 (16) 30.0
 
Sept. 21, 2021, 2 p.m. 2.0 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) N/A 7.0 μg/m3 (7) 4.9 μg/m3 (21) 29.0
 
Sept. 21, 2021, 1 p.m. 2.6 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A 4.0 μg/m3 (4) -1.2 μg/m3 (0) 28.0
 
Sept. 21, 2021, noon 2.7 ppb (3) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) N/A 6.0 μg/m3 (6) 4.2 μg/m3 (18) 30.0
 
Sept. 21, 2021, 11 a.m. 4.0 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) N/A 4.0 μg/m3 (4) 5.5 μg/m3 (23) 27.0
 
Sept. 21, 2021, 10 a.m. 2.2 ppb (3) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0 μg/m3 (1) -0.4 μg/m3 (0) 3.0
 
Sept. 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 7.2 μg/m3 (31) 31.0
 
Sept. 21, 2021, 8 a.m. 1.8 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 2.0 μg/m3 (2) -0.1 μg/m3 (0) 2.0
 
Sept. 21, 2021, 7 a.m. 2.0 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 0.0 μg/m3 (0) -1.3 μg/m3 (0) 2.0
 
Sept. 21, 2021, 6 a.m. 3.6 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A 4.0 μg/m3 (4) 1.7 μg/m3 (8) 31.0
 
Sept. 21, 2021, 5 a.m. 2.1 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A 4.0 μg/m3 (4) 3.7 μg/m3 (16) 34.0
 
Sept. 21, 2021, 4 a.m. 1.6 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A 0.0 μg/m3 (0) 2.0 μg/m3 (9) 35.0
 
Sept. 21, 2021, 3 a.m. 2.1 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A 4.0 μg/m3 (4) 1.0 μg/m3 (5) 38.0
 
Sept. 21, 2021, 2 a.m. 2.8 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A 5.0 μg/m3 (5) -0.3 μg/m3 (0) 37.0
 
Sept. 21, 2021, 1 a.m. 3.5 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A -1.0 μg/m3 (0) -1.5 μg/m3 (0) 38.0
 
Sept. 21, 2021, midnight 2.6 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) N/A 7.0 μg/m3 (7) -1.5 μg/m3 (0) 44.0
 
Sept. 20, 2021, 11 p.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) N/A 11.0 μg/m3 (11) -2.8 μg/m3 (0) 47.0
 
Sept. 20, 2021, 10 p.m. 1.4 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) N/A 9.0 μg/m3 (9) 3.7 μg/m3 (16) 48.0
 
Sept. 20, 2021, 9 p.m. 2.0 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) N/A 16.0 μg/m3 (15) 5.9 μg/m3 (25) 47.0
 
Sept. 20, 2021, 8 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) N/A 21.0 μg/m3 (20) 4.1 μg/m3 (18) 45.0
 
Sept. 20, 2021, 7 p.m. 1.6 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) N/A 15.0 μg/m3 (14) 8.1 μg/m3 (34) 45.0
 
Sept. 20, 2021, 6 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) N/A 14.0 μg/m3 (13) 6.5 μg/m3 (28) 42.0
 
Sept. 20, 2021, 5 p.m. 2.3 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A 9.0 μg/m3 (9) 3.0 μg/m3 (13) 39.0
 
Sept. 20, 2021, 4 p.m. 2.4 ppb (3) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A N/A 9.1 μg/m3 (38) 38.0
 
Sept. 20, 2021, 3 p.m. 3.0 ppb (3) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A 7.0 μg/m3 (7) 8.2 μg/m3 (35) 35.0
 
Sept. 20, 2021, 2 p.m. 4.0 ppb (4) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (19) N/A 31.0 μg/m3 (29) 14.1 μg/m3 (56) 56.0
 
Sept. 20, 2021, 1 p.m. 13.8 ppb (14) 5.7 ppb (6) N/A 8.0 ppb (8) N/A N/A 11.0 ppb (11) N/A 31.0 μg/m3 (29) 11.8 μg/m3 (50) 50.0
 
Sept. 20, 2021, noon 6.4 ppb (7) 2.6 ppb (3) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (16) N/A 11.0 μg/m3 (11) 10.3 μg/m3 (43) 43.0
 
Sept. 20, 2021, 11 a.m. 4.4 ppb (5) 1.9 ppb (2) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) N/A 0.0 μg/m3 (0) 9.4 μg/m3 (40) 40.0
 
Sept. 20, 2021, 10 a.m. 4.6 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A N/A 9.0 μg/m3 (9) 9.2 μg/m3 (39) 39.0
 
Sept. 20, 2021, 9 a.m. 5.3 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A N/A 14.0 μg/m3 (13) 9.7 μg/m3 (41) 41.0
 
Sept. 20, 2021, 8 a.m. 4.8 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A N/A 21.0 μg/m3 (20) 15.0 μg/m3 (58) 58.0
 
Sept. 20, 2021, 7 a.m. 7.6 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A N/A 27.0 μg/m3 (25) 14.1 μg/m3 (56) 56.0
 
Sept. 20, 2021, 6 a.m. 8.6 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A N/A 14.0 ppb (13) N/A 15.0 μg/m3 (14) 10.3 μg/m3 (43) 43.0
 
Sept. 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 10.3 μg/m3 (43) 43.0
 
Sept. 20, 2021, 4 a.m. 9.2 ppb (9) 1.7 ppb (2) N/A 7.0 ppb (7) N/A N/A 15.0 ppb (14) N/A 30.0 μg/m3 (28) 14.5 μg/m3 (57) 57.0
 
Sept. 20, 2021, 3 a.m. 6.0 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (21) N/A 31.0 μg/m3 (29) 15.2 μg/m3 (58) 58.0
 
Sept. 20, 2021, 2 a.m. 7.7 ppb (8) 1.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (27) N/A 33.0 μg/m3 (31) 15.1 μg/m3 (58) 58.0
 
Sept. 20, 2021, 1 a.m. 5.7 ppb (6) 1.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) N/A 15.0 μg/m3 (14) 11.6 μg/m3 (49) 49.0
 
Sept. 20, 2021, midnight 4.0 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) N/A 1.0 μg/m3 (1) 11.9 μg/m3 (50) 50.0
 
Sept. 19, 2021, 11 p.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) N/A 0.0 μg/m3 (0) 10.2 μg/m3 (43) 44.0
 
Sept. 19, 2021, 10 p.m. 2.6 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A 3.0 μg/m3 (3) 2.4 μg/m3 (10) 38.0
 
Sept. 19, 2021, 9 p.m. 2.2 ppb (3) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A 0.0 μg/m3 (0) 2.4 μg/m3 (10) 39.0
 
Sept. 19, 2021, 8 p.m. 2.2 ppb (3) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A -2.0 μg/m3 (0) 4.1 μg/m3 (18) 38.0
 
Sept. 19, 2021, 7 p.m. 2.3 ppb (3) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A 2.0 μg/m3 (2) 3.9 μg/m3 (17) 37.0
 
Sept. 19, 2021, 6 p.m. 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A -1.0 μg/m3 (0) 5.7 μg/m3 (24) 35.0
 
Sept. 19, 2021, 5 p.m. 2.5 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A -1.0 μg/m3 (0) 4.5 μg/m3 (19) 33.0
 
Sept. 19, 2021, 4 p.m. 2.0 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) N/A -3.0 μg/m3 (0) 3.3 μg/m3 (14) 28.0
 
Sept. 19, 2021, 3 p.m. 2.1 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (21) N/A 6.0 μg/m3 (6) 0.9 μg/m3 (4) 21.0
 
Sept. 19, 2021, 2 p.m. 2.2 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 19.0 ppb (18) N/A 7.0 μg/m3 (7) -0.4 μg/m3 (0) 18.0
 
Sept. 19, 2021, 1 p.m. 3.3 ppb (4) 1.4 ppb (2) N/A 2.0 ppb (2) N/A N/A 16.0 ppb (15) N/A 5.0 μg/m3 (5) 4.3 μg/m3 (18) 18.0
 
Sept. 19, 2021, noon 2.5 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (21) N/A 2.0 μg/m3 (2) -0.4 μg/m3 (0) 21.0
 
Sept. 19, 2021, 11 a.m. 2.5 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (25) N/A -2.0 μg/m3 (0) 4.1 μg/m3 (18) 25.0
 
Sept. 19, 2021, 10 a.m. 1.3 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A -4.0 μg/m3 (0) 3.7 μg/m3 (16) 16.0
 
Sept. 19, 2021, 9 a.m. 1.1 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A -3.0 μg/m3 (0) -0.5 μg/m3 (0) 2.0
 
Sept. 19, 2021, 8 a.m. 1.6 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A -2.0 μg/m3 (0) 4.2 μg/m3 (18) 18.0
 
Sept. 19, 2021, 7 a.m. 2.0 ppb (2) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A 0.0 μg/m3 (0) 1.7 μg/m3 (8) 8.0
 
Sept. 19, 2021, 6 a.m. 3.5 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (19) N/A 8.0 μg/m3 (8) 5.5 μg/m3 (23) 23.0
 
Sept. 19, 2021, 5 a.m. 4.3 ppb (5) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (18) N/A 15.0 μg/m3 (14) 4.4 μg/m3 (19) 19.0
 
Sept. 19, 2021, 4 a.m. 2.3 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 15.0 ppb (14) N/A 25.0 μg/m3 (24) 19.4 μg/m3 (67) 67.0
 
Sept. 19, 2021, 3 a.m. 2.2 ppb (3) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (22) N/A 36.0 μg/m3 (34) 15.1 μg/m3 (58) 58.0
 
Sept. 19, 2021, 2 a.m. 3.3 ppb (4) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A 39.0 μg/m3 (37) 9.6 μg/m3 (40) 40.0
 
Sept. 19, 2021, 1 a.m. 4.5 ppb (5) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A 31.0 μg/m3 (29) 12.5 μg/m3 (52) 52.0
 
Sept. 19, 2021, midnight 6.7 ppb (7) 1.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) N/A 21.0 μg/m3 (20) 9.5 μg/m3 (40) 40.0
 
Sept. 18, 2021, 11 p.m. 3.8 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A 7.0 μg/m3 (7) -1.5 μg/m3 (0) 39.0
 
Sept. 18, 2021, 10 p.m. 3.1 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A 13.0 μg/m3 (13) 4.3 μg/m3 (18) 40.0
 
Sept. 18, 2021, 9 p.m. 3.6 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) N/A 16.0 μg/m3 (15) 4.6 μg/m3 (20) 44.0
 
Sept. 18, 2021, 8 p.m. 2.2 ppb (3) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) N/A 7.0 μg/m3 (7) 5.0 μg/m3 (21) 42.0
 
Sept. 18, 2021, 7 p.m. 2.3 ppb (3) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A 9.0 μg/m3 (9) 5.4 μg/m3 (23) 40.0
 
Sept. 18, 2021, 6 p.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) N/A 13.0 μg/m3 (13) 7.8 μg/m3 (33) 44.0
 
Sept. 18, 2021, 5 p.m. 1.4 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) N/A 19.0 μg/m3 (18) 14.1 μg/m3 (56) 56.0
 
Sept. 18, 2021, 4 p.m. 2.1 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A 29.0 μg/m3 (27) 12.0 μg/m3 (50) 50.0
 
Sept. 18, 2021, 3 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A 31.0 μg/m3 (29) 17.2 μg/m3 (62) 62.0
 
Sept. 18, 2021, 2 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A 19.0 μg/m3 (18) 3.9 μg/m3 (17) 35.0
 
Sept. 18, 2021, 1 p.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A 15.0 μg/m3 (14) 6.2 μg/m3 (26) 35.0
 
Sept. 18, 2021, noon 1.9 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (30) 35.0
 
Sept. 18, 2021, 11 a.m. 1.5 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A 11.0 μg/m3 (11) 2.6 μg/m3 (11) 36.0
 
Sept. 18, 2021, 10 a.m. 12.3 ppb (12) 11.5 ppb (11) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) N/A 15.0 μg/m3 (14) 6.7 μg/m3 (28) 28.0
 
Sept. 18, 2021, 9 a.m. 13.4 ppb (13) 12.9 ppb (13) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) N/A 13.0 μg/m3 (13) 5.9 μg/m3 (25) 28.0
 
Sept. 18, 2021, 8 a.m. 1.0 ppb (1) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 6.0 μg/m3 (6) 27.1 μg/m3 (83) 83.0
 
Sept. 18, 2021, 7 a.m. 1.6 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 10.0 μg/m3 (10) 17.8 μg/m3 (63) 63.0
 
Sept. 18, 2021, 6 a.m. 1.6 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A 17.0 μg/m3 (16) 7.8 μg/m3 (33) 38.0
 
Sept. 18, 2021, 5 a.m. 1.3 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A 13.0 μg/m3 (13) 5.9 μg/m3 (25) 38.0
 
Sept. 18, 2021, 4 a.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A 20.0 μg/m3 (19) 8.6 μg/m3 (36) 39.0
 
Sept. 18, 2021, 3 a.m. 1.4 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A 21.0 μg/m3 (20) 7.0 μg/m3 (30) 41.0
 
Sept. 18, 2021, 2 a.m. 3.7 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) N/A 24.0 μg/m3 (23) 5.7 μg/m3 (24) 38.0
 
Sept. 18, 2021, 1 a.m. 9.3 ppb (9) 2.7 ppb (3) N/A 7.0 ppb (7) N/A N/A 37.0 ppb (35) N/A 19.0 μg/m3 (18) 4.2 μg/m3 (18) 35.0
 
Sept. 18, 2021, midnight 15.6 ppb (15) 6.3 ppb (6) N/A 9.0 ppb (9) N/A N/A 39.0 ppb (37) N/A 13.0 μg/m3 (13) 4.2 μg/m3 (18) 37.0
 
Sept. 17, 2021, 11 p.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A 12.0 μg/m3 (12) 4.3 μg/m3 (18) 46.0
 
Sept. 17, 2021, 10 p.m. 1.9 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) N/A 12.0 μg/m3 (12) 6.4 μg/m3 (27) 48.0
 
Sept. 17, 2021, 9 p.m. 2.5 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) N/A 13.0 μg/m3 (13) 3.5 μg/m3 (15) 48.0
 
Sept. 17, 2021, 8 p.m. 1.5 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A 9.0 μg/m3 (9) 4.5 μg/m3 (19) 49.0
 
Sept. 17, 2021, 7 p.m. 1.4 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A 12.0 μg/m3 (12) 7.6 μg/m3 (32) 49.0
 
Sept. 17, 2021, 6 p.m. 1.6 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A 13.0 μg/m3 (13) 8.3 μg/m3 (35) 46.0
 
Sept. 17, 2021, 5 p.m. 1.3 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) N/A 23.0 μg/m3 (22) 15.3 μg/m3 (58) 58.0
 
Sept. 17, 2021, 4 p.m. 2.2 ppb (3) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A 22.0 μg/m3 (21) 9.3 μg/m3 (39) 39.0
 
Sept. 17, 2021, 3 p.m. 2.5 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A 25.0 μg/m3 (24) 10.1 μg/m3 (43) 43.0
 
Sept. 17, 2021, 2 p.m. 3.2 ppb (4) 1.4 ppb (2) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A 19.0 μg/m3 (18) 11.9 μg/m3 (50) 50.0
 
Sept. 17, 2021, 1 p.m. 1.9 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A 12.0 μg/m3 (12) 5.7 μg/m3 (24) 34.0
 
Sept. 17, 2021, noon 1.5 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A 14.0 μg/m3 (13) 5.4 μg/m3 (23) 36.0
 
Sept. 17, 2021, 11 a.m. 2.3 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2021, 10 a.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0 μg/m3 (9) 5.3 μg/m3 (23) 23.0
 
Sept. 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 7.2 μg/m3 (31) 31.0
 
Sept. 17, 2021, 8 a.m. 1.4 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 10.0 μg/m3 (10) 3.4 μg/m3 (15) 15.0
 
Sept. 17, 2021, 7 a.m. 1.1 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0 μg/m3 (12) 2.9 μg/m3 (13) 13.0
 
Sept. 17, 2021, 6 a.m. 1.2 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A 11.0 μg/m3 (11) 8.6 μg/m3 (36) 37.0
 
Sept. 17, 2021, 5 a.m. 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A 12.0 μg/m3 (12) 7.0 μg/m3 (30) 36.0
 
Sept. 17, 2021, 4 a.m. 1.3 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A 15.0 μg/m3 (14) 10.5 μg/m3 (44) 44.0
 
Sept. 17, 2021, 3 a.m. 6.1 ppb (6) 1.3 ppb (2) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) N/A 13.0 μg/m3 (13) 3.1 μg/m3 (13) 32.0
 
Sept. 17, 2021, 2 a.m. 6.3 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) N/A 11.0 μg/m3 (11) 3.0 μg/m3 (13) 28.0
 
Sept. 17, 2021, 1 a.m. 14.0 ppb (14) 2.4 ppb (3) N/A 12.0 ppb (12) N/A N/A 32.0 ppb (30) N/A 9.0 μg/m3 (9) 1.0 μg/m3 (5) 30.0
 
Sept. 17, 2021, midnight 7.1 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (40) N/A 16.0 μg/m3 (15) 11.1 μg/m3 (47) 47.0
 
Sept. 16, 2021, 11 p.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) N/A 19.0 μg/m3 (18) 12.3 μg/m3 (52) 52.0
 
Sept. 16, 2021, 10 p.m. 2.5 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) N/A 13.0 μg/m3 (13) 3.6 μg/m3 (16) 48.0
 
Sept. 16, 2021, 9 p.m. 2.4 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (50) N/A 18.0 μg/m3 (17) 6.8 μg/m3 (29) 50.0
 
Sept. 16, 2021, 8 p.m. 2.4 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (50) N/A 20.0 μg/m3 (19) 7.4 μg/m3 (31) 50.0
 
Sept. 16, 2021, 7 p.m. 1.8 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (50) N/A 15.0 μg/m3 (14) 10.3 μg/m3 (43) 50.0
 
Sept. 16, 2021, 6 p.m. 1.3 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A 14.0 μg/m3 (13) 11.9 μg/m3 (50) 50.0
 
Sept. 16, 2021, 5 p.m. 2.9 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (50) N/A 20.0 μg/m3 (19) 13.9 μg/m3 (55) 55.0
 
Sept. 16, 2021, 4 p.m. 2.6 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) N/A 24.0 μg/m3 (23) 18.1 μg/m3 (64) 64.0
 
Sept. 16, 2021, 3 p.m. 2.4 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) N/A 18.0 μg/m3 (17) 17.2 μg/m3 (62) 62.0
 
Sept. 16, 2021, 2 p.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) N/A 17.0 μg/m3 (16) 9.0 μg/m3 (38) 45.0
 
Sept. 16, 2021, 1 p.m. 2.2 ppb (3) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) N/A 13.0 μg/m3 (13) 0.6 μg/m3 (3) 47.0
 
Sept. 16, 2021, noon 1.8 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) N/A 10.0 μg/m3 (10) 4.8 μg/m3 (20) 47.0
 
Sept. 16, 2021, 11 a.m. 2.2 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (49) N/A 12.0 μg/m3 (12) 6.7 μg/m3 (28) 49.0
 
Sept. 16, 2021, 10 a.m. 12.4 ppb (12) 11.4 ppb (11) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A 10.0 μg/m3 (10) 6.1 μg/m3 (26) 38.0
 
Sept. 16, 2021, 9 a.m. 13.8 ppb (14) 13.4 ppb (13) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (37) N/A 10.0 μg/m3 (10) 3.8 μg/m3 (16) 37.0
 
Sept. 16, 2021, 8 a.m. 1.8 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0 μg/m3 (12) -2.5 μg/m3 (0) 12.0
 
Sept. 16, 2021, 7 a.m. 1.4 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 14.0 μg/m3 (13) -0.2 μg/m3 (0) 13.0
 
Sept. 16, 2021, 6 a.m. 1.2 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (50) N/A 9.0 μg/m3 (9) -0.3 μg/m3 (0) 50.0
 
Sept. 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 5.2 μg/m3 (22) 22.0
 
Sept. 16, 2021, 4 a.m. 3.6 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (48) N/A 6.0 μg/m3 (6) 2.9 μg/m3 (13) 48.0
 
Sept. 16, 2021, 3 a.m. 6.1 ppb (6) 1.2 ppb (2) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (42) N/A 6.0 μg/m3 (6) 4.7 μg/m3 (20) 42.0
 
Sept. 16, 2021, 2 a.m. 4.2 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) N/A 8.0 μg/m3 (8) -1.6 μg/m3 (0) 45.0
 
Sept. 16, 2021, 1 a.m. 4.2 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) N/A 11.0 μg/m3 (11) 0.8 μg/m3 (4) 44.0
 
Sept. 16, 2021, midnight 6.9 ppb (7) 1.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 54.0 ppb (50) N/A 15.0 μg/m3 (14) -0.7 μg/m3 (0) 50.0
 
Sept. 15, 2021, 11 p.m. 1.8 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 60.0 ppb (68) N/A 25.0 μg/m3 (24) 0.7 μg/m3 (3) 68.0
 
Sept. 15, 2021, 10 p.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 63.0 ppb (78) N/A 31.0 μg/m3 (29) 4.6 μg/m3 (20) 78.0
 
Sept. 15, 2021, 9 p.m. 1.6 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 60.0 ppb (68) N/A 21.0 μg/m3 (20) 4.9 μg/m3 (21) 68.0
 
Sept. 15, 2021, 8 p.m. 1.4 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 58.0 ppb (61) N/A 14.0 μg/m3 (13) 5.7 μg/m3 (24) 61.0
 
Sept. 15, 2021, 7 p.m. 1.5 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (55) N/A 11.0 μg/m3 (11) 6.9 μg/m3 (29) 55.0
 
Sept. 15, 2021, 6 p.m. 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (50) N/A 13.0 μg/m3 (13) 7.3 μg/m3 (31) 50.0
 
Sept. 15, 2021, 5 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) N/A 22.0 μg/m3 (21) 13.9 μg/m3 (55) 55.0
 
Sept. 15, 2021, 4 p.m. 2.5 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) N/A 29.0 μg/m3 (27) 13.3 μg/m3 (54) 54.0
 
Sept. 15, 2021, 3 p.m. 2.6 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A 26.0 μg/m3 (25) 16.4 μg/m3 (61) 61.0
 
Sept. 15, 2021, 2 p.m. 2.9 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A 15.0 μg/m3 (14) 9.6 μg/m3 (40) 40.0
 
Sept. 15, 2021, 1 p.m. 2.5 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A 13.0 μg/m3 (13) 5.8 μg/m3 (25) 37.0
 
Sept. 15, 2021, noon 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A 8.0 μg/m3 (8) 3.7 μg/m3 (16) 37.0
 
Sept. 15, 2021, 11 a.m. 1.9 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A 7.0 μg/m3 (7) 2.9 μg/m3 (13) 37.0
 
Sept. 15, 2021, 10 a.m. 1.6 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 8.0 μg/m3 (8) 7.2 μg/m3 (31) 31.0
 
Sept. 15, 2021, 9 a.m. 1.5 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 9.0 μg/m3 (9) 4.4 μg/m3 (19) 19.0
 
Sept. 15, 2021, 8 a.m. 2.2 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A 11.0 μg/m3 (11) -3.3 μg/m3 (0) 11.0